Encrypting Session Cookies For User Security

Session Data

Session Data - struct
cfid 40119117
cftoken d2afab45969b3ae3-F11DF965-BF0E-7607-A439807A5C21890C
sessionid 098DFC0F5403100D9DEEB2F46033342C_40119117_d2afab45969b3ae3-F11DF965-BF0E-7607-A439807A5C21890C
urltoken CFID=40119117&CFTOKEN=d2afab45969b3ae3-F11DF965-BF0E-7607-A439807A5C21890C

index.cfm?cfid=40119117&cftoken=d2afab45969b3ae3-F11DF965-BF0E-7607-A439807A5C21890C